aboutsummaryrefslogtreecommitdiff
path: root/REORG.TODO/sysdeps/unix/sysv/linux/s390/system.c
diff options
context:
space:
mode:
Diffstat (limited to 'REORG.TODO/sysdeps/unix/sysv/linux/s390/system.c')
-rw-r--r--REORG.TODO/sysdeps/unix/sysv/linux/s390/system.c29
1 files changed, 29 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/unix/sysv/linux/s390/system.c b/REORG.TODO/sysdeps/unix/sysv/linux/s390/system.c
new file mode 100644
index 0000000000..da90073a9d
--- /dev/null
+++ b/REORG.TODO/sysdeps/unix/sysv/linux/s390/system.c
@@ -0,0 +1,29 @@
+/* Copyright (C) 2003-2017 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+/* We have to and actually can handle cancelable system(). The big
+ problem: we have to kill the child process if necessary. To do
+ this a cleanup handler has to be registered and is has to be able
+ to find the PID of the child. The main problem is to reliable have
+ the PID when needed. It is not necessary for the parent thread to
+ return. It might still be in the kernel when the cancellation
+ request comes. Therefore we have to use the clone() calls ability
+ to have the kernel write the PID into the user-level variable. */
+#define FORK() \
+ INLINE_SYSCALL (clone, 3, 0, CLONE_PARENT_SETTID | SIGCHLD, &pid)
+
+#include "../system.c"